%0 Journal Article
%A Agarwal, Ravi P.
%A O'Regan, Donal
%A Lakshmikantham, V.
%T Existence criteria for singular initial value problems with sign changing nonlinearities.
%J Mathematical Problems in Engineering
%D 2001
%P 503
%V 7
%N 6
%I mathdoc
%U https://geodesic-test.mathdoc.fr/articles/10.1155/S1024123X01001752/
%R 10.1155/S1024123X01001752
%G en
%F 10_1155_S1024123X01001752